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"System DEP configuration settings apply only for 32-bit applications and
processes when running on 32-bit or 64-bit versions of Windows. On 64-bit
versions of Windows, if hardware-enforced DEP is available it is always
applied to 64-bit processes and kernel memory spaces and there are no system
configuration settings to disable it."

"Peter Lawton" <> wrote in message
news:...
> On a Vista x64 machine when I try and set a DEP exception for a 64bit .EXE
> I get the error "You can not set DEP attributes on 64-bit executables"
>
> Does this mean DEP only works for 32bit executable files or that MS thinks
> that 64 bit executables will never try to do anything wrong?
>
> Peter Lawton

"Peter Lawton" <> wrote in message
news:...
> On a Vista x64 machine when I try and set a DEP exception for a 64bit .EXE
> I get the error "You can not set DEP attributes on 64-bit executables"
>
> Does this mean DEP only works for 32bit executable files or that MS thinks
> that 64 bit executables will never try to do anything wrong?
>
> Peter Lawton

"Charlie Russel - MVP" wrote:
> The opposite. It means you can't turn it off for 64-bit processes. MS is
> being very strict with all things 64-bit. Requiring DEP, requiring signed
> drivers, etc.
>
> --
> Charlie.
> http://msmvps.com/xperts64
> http://mvp.support.microsoft.com/profile/charlie.russel
>
>
> "Peter Lawton" <> wrote in message
> news:...
> > On a Vista x64 machine when I try and set a DEP exception for a 64bit .EXE
> > I get the error "You can not set DEP attributes on 64-bit executables"
> >
> > Does this mean DEP only works for 32bit executable files or that MS thinks
> > that 64 bit executables will never try to do anything wrong?
> >
> > Peter Lawton
>

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